参数资料
型号: IR3853MTR1PBF
厂商: International Rectifier
文件页数: 5/35页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A PQFN17
产品培训模块: SupIRBuck? Family and POL Design Tools Overview
标准包装: 1
系列: SupIRBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.7 V ~ 18.9 V
输入电压: 1.5 V ~ 21 V
PWM 型: 电压模式
频率 - 开关: 225kHz ~ 1.65MHz
电流 - 输出: 4A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 17-PowerVQFN
包装: 标准包装
供应商设备封装: 17-PQFN(4x5)
其它名称: IR3853MTR1PBFDKR
PD-97516
IR3853MPbF
Recommended Operating Conditions
C
Symbol
V in
V cc
Boot to SW
V o
I o
Fs
T j
Definition
Input Voltage
Supply Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
Junction Temperature
Min
1.5
4.5
4.5
0.7
0
225
-40
Max
21*
5.5
5.5
0.9*Vin
4
1650
125
Units
V
A
kHz
o
*SW node should not exceed 25V
Electrical Specifications
Unless otherwise specified, these specification apply over 4.5V< V cc <5.5V, V in =12V, 0 o C<T j < 125 o C.
Typical values are specified at T a = 25 o C.
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNIT
POWER STAGE
Power Losses
P loss
Vcc=5V, V in =12V, V o =1.8V,
0.642
W
I o =4A, Fs=600kHz, L=2.2uH,
Note4
V cc =5V, I D =4A, T j =25 C
Top Switch
Bottom Switch
R ds(on)_Top
R ds(on)_Bot
V Boot -V sw =5V, I D =4A, Tj=25 o C
o
21
19.75
29
26.5
m Ω
Deadband Time
Bootstrap Diode Forward
T db
Note4
I(Boot)= 30mA
5
180
10
260
30
470
ns
mV
Voltage
SW leakage Current
Isw
SW=0V, Enable=0V
SUPPLY CURRENT
SW=0V, Enable=high, SS=3V,
Vseq=0V, Note4
6
uA
V CC Supply Current (Standby)
I CC(Standby)
SS=0V, Vcc=5V, Enable low ,
No Switching
500
uA
V CC Supply Current (Dyn)
I CC(Dyn)
SS=3V, Vcc=5V, Enable high,
Fs=500kHz
6
11
mA
REFERENCE VOLTAGE
0 C<Tj<125 C
Feedback Voltage
Accuracy
VFB
o o
-1.0
0.7
+1.0
V
-40 o C<Tj<125 o C, Note3
-2.0
-2.0
%
SOFT START / SD
Soft Start Current
Soft Start Clamp Voltage
ISS
Vss(clamp)
Source
14
2.7
20
3.0
26
3.3
uA
Shutdown Output Threshold
Rev 4.0
SD
0.3
V
5
相关PDF资料
PDF描述
RBA32DTKH-S288 CONN EDGECARD 64POS .125 EXTEND
MAX6375XR28+T IC VOLT DETECT LP 2.80V SC70-3
MAX6380UR39+T IC VOLT DETECT LP 3.90V SOT23-3
VE-2NF-EY-F3 CONVERTER MOD DC/DC 72V 50W
IHLP2525AHER2R5M01 INDUCTOR POWER 2.5UH 3.5A SMD
相关代理商/技术参数
参数描述
IR3853MTR1PBF 制造商:International Rectifier 功能描述:IC DC-DC CONV 1.5 MHz QFN-17
IR3853MTRPBF 功能描述:直流/直流开关调节器 4A SupIRBuck Reg 250-1500kHz, 1.5-21V RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
IR3856MPBF 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED 6A, SYNCHRONOUS BUCK REGULATOR
IR3856MTR1PBF 功能描述:直流/直流开关调节器 6A SupIRBuck Reg 250-1500kHz, 1.5-21V RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
IR3856MTR1PBF-CUT TAPE 制造商:IR 功能描述:IR3856MPbF Series 21V 6 A Highly Efficient Integrated Synchronous Buck Regulator